Lanap BotDetect for ASP is a website security solution designed to prevent automated registrations with CAPTCHA image. While the code cannot be read by machine (computer program), it is easily read by a human.

Key features: generates CAPTCHA image with textual code rendered in it, fully customizable, many different algorithms, custom size and image format, full server side component, not dependent on other software, includes high-quality samples, free 24x7 support.
'Developer Edition' includes FULL SOURCE CODE and ROYALTY FREE distribution rights!